/Engine/Source/Runtime/TypedElementFramework/Public/Elements/Framework/TypedElementList.h
Test whether there are elements in this list, optionally filtering to elements that implement the given interface.
bool HasElements ( const [TSubclassOf](API\Runtime\CoreUObject\Templates\TSubclassOf)< [UInterface](API\Runtime\CoreUObject\UObject\UInterface) > & InBaseInterfaceType ) const